Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879579 | Image recording apparatus | Takemi Yamamoto | 1989-11-07 |
| 4875073 | Color picture image recording apparatus capable of adjusting color tone in the copy sheet | Masashi Ueda, Yoichi Horaguchi | 1989-10-17 |
| 4868602 | Imaging device | Michitoshi Akao, Tokunori Katoh, Yukichi Sawaki | 1989-09-19 |
| 4827721 | Hydrostatic continuously variable transmission | Tsutomu Hayashi, Mitsuru Saito, Takushi Matsuto, Yoshihiro Nakajima, Nobuyuki Yakigaya +1 more | 1989-05-09 |
| 4810614 | Method of recording information on photosensitive and pressure-sensitive sheet utilizing mask original form | Kazuo Sangyoji, Takemi Yamamoto, Tsugio Okamoto, Naoyuki Hatta, Yuji Asano +4 more | 1989-03-07 |
| 4806982 | Imaging device | Takemi Yamamoto, Masashi Ueda | 1989-02-21 |
| 4798485 | Electronic typewriter with a detector switch | Hiroshi Onoda, Michitoshi Akao | 1989-01-17 |